Heavy rain and thunderstorms over Yorkshire in June 2005 caused substantial damage in the area around Thirsk and Hawnby. The heavy prolonged rain caused rivers and streams to overflow causing local but severe flooding along the alluvial floodplains. A BGS team of experts were on site to investigate landslide hazard in the area and recorded the flood information. This information helps BGS to understand the development of floodplains and to create the 'Geological Indicators of Flooding' dataset, which predicts areas potentially liable to flooding in the future. In turn, this information can help identify areas with geohazards that might be affected by flood events. The information helps to inform a variety of users from engineers and planners to home owners.